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ALSA: hda - Fix misc workqueue issues

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Some fixes regarding snd-hda-intel workqueue:
- Use create_singlethread_workqueue() instead of create_workqueue()
  as per-CPU work isn't required.
- Allocate workq name string properly
- Renamed the workq name to "hd-audio*" to be more obvious.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-02-05 07:34:28 +01:00
parent f67d8176ba
commit e8c0ee5d77
2 changed files with 6 additions and 4 deletions
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9
sound/pci/hda/hda_codec.c
View File

@ -487,7 +487,6 @@ int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
{
struct hda_bus *bus;
int err;
char qname[8];
static struct snd_device_ops dev_ops = {
.dev_register = snd_hda_bus_dev_register,
.dev_free = snd_hda_bus_dev_free,
@ -517,10 +516,12 @@ int /*__devinit*/ snd_hda_bus_new(struct snd_card *card,
mutex_init(&bus->cmd_mutex);
INIT_LIST_HEAD(&bus->codec_list);
snprintf(qname, sizeof(qname), "hda%d", card->number);
bus->workq = create_workqueue(qname);
snprintf(bus->workq_name, sizeof(bus->workq_name),
"hd-audio%d", card->number);
bus->workq = create_singlethread_workqueue(bus->workq_name);
if (!bus->workq) {
snd_printk(KERN_ERR "cannot create workqueue %s\n", qname);
snd_printk(KERN_ERR "cannot create workqueue %s\n",
bus->workq_name);
kfree(bus);
return -ENOMEM;
}

1
sound/pci/hda/hda_codec.h
View File

@ -614,6 +614,7 @@ struct hda_bus {
/* unsolicited event queue */
struct hda_bus_unsolicited *unsol;
char workq_name[16];
struct workqueue_struct *workq; /* common workqueue for codecs */
/* assigned PCMs */